<template>
  <div class="cart">
    <h4>全部商品</h4>
    <div class="cart-main">
      <div class="cart-th">
        <div class="cart-th1">全部</div>
        <div class="cart-th2">商品</div>
        <div class="cart-th3">单价（元）</div>
        <div class="cart-th4">数量</div>
        <div class="cart-th5">小计（元）</div>
        <div class="cart-th6">操作</div>
      </div>
      <div class="cart-body" v-for="(cart, index) in cartList" :key="index">
        <ul
          class="cart-list"
          v-for="cartInfo in cart.cartInfoList"
          :key="cartInfo.id"
        >
          <li class="cart-list-con1">
            <input
              type="checkbox"
              name="chk_list"
              :checked="cartInfo.isChecked"
              @change="changGoodsCheck(cartInfo)"
            />
          </li>
          <li class="cart-list-con2">
            <img :src="cartInfo.imgUrl" />
            <div class="item-msg">{{ cartInfo.skuName }}</div>
          </li>
          <li class="cart-list-con4">
            <span class="price">{{ cartInfo.skuPrice?.toFixed(2) }}</span>
          </li>
          <li class="cart-list-con5">
            <a href="javascript:void(0)" class="mins">-</a>
            <input
              autocomplete="off"
              type="text"
              :value="cartInfo.skuNum"
              minnum="1"
              class="itxt"
            />
            <a href="javascript:void(0)" class="plus">+</a>
          </li>
          <li class="cart-list-con6">
            <span class="sum">{{
              (cartInfo.skuPrice * cartInfo.skuNum)?.toFixed(2)
            }}</span>
          </li>
          <li class="cart-list-con7">
            <a href="javascript:;" class="sindelet" @click.prevent="deleteOne(cartInfo)">删除</a>
            <br />
            <a href="javascript:;">移到收藏</a>
          </li>
        </ul>
      </div>
    </div>
    <div class="cart-tool">
      <div class="select-all">
        <input class="chooseAll" type="checkbox" v-model="isCheckAll" />
        <span>全选</span>
      </div>
      <div class="option">
        <a href="javascript:;">删除选中的商品</a>
        <a href="javascript:;">移到我的关注</a>
        <a href="javascript:;">清除下柜商品</a>
      </div>
      <div class="money-box">
        <div class="chosed">
          已选择 <span>{{ checkNum }}</span
          >件商品
        </div>
        <div class="sumprice">
          <em>总价（不含运费） ：</em>
          <i class="summoney">{{ totalFee?.toFixed(2) }}</i>
        </div>
        <div class="sumbtn">
          <a class="sum-btn" href="###" target="_blank">结算</a>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapActions, mapState } from "vuex";
export default {
  name: "ShopCart",
  computed: {
    ...mapState({
      cartList: (state) => state.cart.cartList,
    }),
    // 全选状态
    isCheckAll() {
      return this.cartList.every((cart) => {
        return cart.cartInfoList.every((goods, index) => {
          return goods.isChecked == 1;
        });
      });
    },
    //  累加选中商品的数量
    checkNum() {
      return this.cartList.reduce((prev, item, index, currentArr) => {
        return (
          prev +
          item.cartInfoList.reduce((q, row) => {
            return q + row.skuNum * row.isChecked;
          }, 0)
        );
      }, 0);
    },
    // 总价
    totalFee() {
      return this.cartList.reduce((prev, item) => {
        return (
          prev +
          item.cartInfoList.reduce((q, row) => {
            return q + row.skuNum * row.isChecked * row.skuPrice;
          }, 0)
        );
      }, 0);
    },
  },
  mounted() {
    this.getCartList();
  },
  methods: {
    // 删除一个商品
    async deleteOne(skuInfo){
      try {
        await this.deleteCart(skuInfo.skuId);
        alert('删除商品成功')
        this.getCartList() //重新获取数据
      } catch (error) {
        console.error(error);
      }
    },
    // 修改商品选中状态
    async changGoodsCheck(skuInfo) {
      const { skuId, isChecked } = skuInfo;
      try {
        await this.setCheckCart({
          skuId,
          isChecked: isChecked == 1 ? 0 : 1,
        });
        alert('修改商品选中状态')
        // 重新渲染页面
        this.getCartList()
      } catch (error) {
        console.error(error);
      }
    },
    ...mapActions("cart", ["getCartList", "setCheckCart",'deleteCart']),
  },
};
</script>

<style lang="less" scoped>
.cart {
  width: 1200px;
  margin: 0 auto;
  h4 {
    margin: 9px 0;
    font-size: 14px;
    line-height: 21px;
  }
  .cart-main {
    .cart-th {
      background: #f5f5f5;
      border: 1px solid #ddd;
      padding: 10px;
      overflow: hidden;
      & > div {
        float: left;
      }
      .cart-th1 {
        width: 25%;
        input {
          vertical-align: middle;
        }
        span {
          vertical-align: middle;
        }
      }
      .cart-th2 {
        width: 25%;
      }
      .cart-th3,
      .cart-th4,
      .cart-th5,
      .cart-th6 {
        width: 12.5%;
      }
    }
    .cart-body {
      margin: 15px 0;
      border: 1px solid #ddd;
      .cart-list {
        padding: 10px;
        border-bottom: 1px solid #ddd;
        overflow: hidden;
        & > li {
          float: left;
        }
        .cart-list-con1 {
          width: 15%;
        }
        .cart-list-con2 {
          width: 35%;
          img {
            width: 82px;
            height: 82px;
            float: left;
          }
          .item-msg {
            float: left;
            width: 150px;
            margin: 0 10px;
            line-height: 18px;
          }
        }
        .cart-list-con4 {
          width: 10%;
        }
        .cart-list-con5 {
          width: 17%;
          .mins {
            border: 1px solid #ddd;
            border-right: 0;
            float: left;
            color: #666;
            width: 6px;
            text-align: center;
            padding: 8px;
          }
          input {
            border: 1px solid #ddd;
            width: 40px;
            height: 33px;
            float: left;
            text-align: center;
            font-size: 14px;
          }

          .plus {
            border: 1px solid #ddd;
            border-left: 0;
            float: left;
            color: #666;
            width: 6px;
            text-align: center;
            padding: 8px;
          }
        }

        .cart-list-con6 {
          width: 10%;

          .sum {
            font-size: 16px;
          }
        }

        .cart-list-con7 {
          width: 13%;

          a {
            color: #666;
          }
        }
      }
    }
  }
  .cart-tool {
    overflow: hidden;
    border: 1px solid #ddd;

    .select-all {
      padding: 10px;
      overflow: hidden;
      float: left;

      span {
        vertical-align: middle;
      }

      input {
        vertical-align: middle;
      }
    }

    .option {
      padding: 10px;
      overflow: hidden;
      float: left;

      a {
        float: left;
        padding: 0 10px;
        color: #666;
      }
    }

    .money-box {
      float: right;

      .chosed {
        line-height: 26px;
        float: left;
        padding: 0 10px;
      }

      .sumprice {
        width: 200px;
        line-height: 22px;
        float: left;
        padding: 0 10px;

        .summoney {
          color: #c81623;
          font-size: 16px;
        }
      }

      .sumbtn {
        float: right;

        a {
          display: block;
          position: relative;
          width: 96px;
          height: 52px;
          line-height: 52px;
          color: #fff;
          text-align: center;
          font-size: 18px;
          font-family: "Microsoft YaHei";
          background: #e1251b;
          overflow: hidden;
        }
      }
    }
  }
}
</style>
